Assigm



B. MoGOY.

.LUBRIGATOR.

(No Model.)

No. 383,746. Patented May 29 1888.

R. O M H m WITNESSES %LM/6. 1

I Attorney;

N. PETERS. Pholo-lilhognpher. Washington. D. c.

airs dramas ATENT Price,

ELIJAH MCCOY,

OF DETROIT, MICHIGAN, ASSIGNOB TO HENRY C. HODGES AND CHARLES C. HODGES,OF SAME PLACE.

LUBRICATOR.

SPECIFICATION forming part of Letters Patent No. 383,746, dated May 29,1888.

Application tiled April 28, 1887. Ilencwrd March 12, 1888. Serial No.266,950. (No model.)

To all whom it may concern:

Be it known that I, ELIJAH MCCOY, of Detroit, county of VV-ayne, Stateof Michigan, have invented a new and useful Improvement in Lubricators;and I declare the following to be a full, clear, and exact descriptionof the same, such as will enable others skilled in the art to which itpertains to make and use it, reference being had to the accompanyingdrawings, which form a part of this specification.

My invention relates to certain new and useful improvements, inlubricators, and is de signed to accomplish results analogous to adevice for which a patent was granted to me of date April 19, 1887, No.361,435, the present invention being an improvement thereon. In saidpatent the oil is fed from a main reservoir through my lubricatorattachment. It isnow my purpose to make the lubricator complete initself without the necessity of a separate oil-reservoir being connectedtherewith to supply the oil, the lubricator in this instance beingprovided with an oilehamber. As stated in said patent-,in certain caseswhere a visible-feed lubricator has. been used it has heretofore beenfound necessary to keep on hand one or more blind-feed lubricators, forthe reason that should the visiblefeed glass be accidentally broken,resort would be necessary to such a bliudi'eed lubricator temporarilyuntil opportunity is afforded to replace the visible-feed glass. Thisnecessity has increased the expense. it is therefore my object in thisinstance,as well as in the patent referred to, to prevent this increasedexpense by providing a lubricator having in combination therewith asuitable device which may be employed instead of an extra blind cup,should the sight-feed glass be broken, thus combining in a single devicea sight-fecd and a blind-feed lubricator having a condensingchamber andan oil-chamber with theirproper communications.

My invention has therefore for its object a convenient and economicaldevice of this class, complete in itself, adapted for various uses--such as a steam-cylinder lubricator, an airbrake lubricator, and uponportable, locomo tive, and other engines My invention consists of thecombination of devices and appliances as hereinafter specified, and moreparticularly pointed out in the claims.

In the drawings, Figure 1 is a vertical section of a device embodying myinvention. Fig. 2 is a separate view in section.

A represents theshell of the lubricator, forming an oil-chamber, A.

B is a condensing-chamber, the shell B of which may have a screw-tappedengagement with the shell A, as shown at a. The con densing-chamber hasany suitable communica tion with the oil-clian1bcr-as, for. instance,through a passage, 1), controlled by a valve, 0, having its seat 0 in aplug, 0, screw-tapped 55 into the case of the oil-chamber, and preferably provided with an inwardly extended tube, 0, engaged with said plug,the communication of the passage 1) with said tube being controlled bythe valve 0, the arrangement being such that condensed water may descendfrom the condensing-chamber into the oilchamber through said passage 1)and tube 0 and be regulated as desired.

The case of the oil-chamber is provided with a plug, D, which may beremoved for filling the oil-chamber with oil. The oil rising to thetopof the condensed water in the oil-chamber is permitted to escapetherefrom through an exittube, E, communicating with So the sight-feedglass F,its communication therewith being controlled by a valve, F. Theupper end of the sight-feed glass communicates also with a passage, G,cored out later ally in the construction of the oil-chamber at 8 theupper portion thereof.

H is the stem of the lubricator, whereby it may be engaged in place uponasteanrcyt inder, steanrpipe, or other proper location.

Irepresents a steam and oil conduit cored 0 out in the construction ofthe lubricator and extending upwardly in the oilchamber,communieating atits lower end through the stem H, as shown, and at its upper endcommunicating with the inner end of the passage G, as 9 5 shown.

J is a tube eXten ding through the condensing chamber,communicating withthe inner end of the passage G at its lower end, and held atits upperend in any suitable manner, as by a screw-threaded engagement with anipple or plug, K.

L is a slush-cup provided with a tubular stem, Z, extended downwardthrough said nipple and through said tube J in the condensingchamber,this latter tube being of sufficiently broader diameter to permit thesteam to ascend through the same and about the stem of the slush-cup andfind its admission into the condensing-chamber through orifices towardits upper end, as shown atj. The stem of the slush-cup is arranged toseat upon the inner end of the passage G and in line with the conduit I,so as to afford a continuous passage from the slush-cup through theconduit I to the parts to be lubricated when seated. When the said stemis unseated,the oil from the sightfeed glass has a continuous passagethrough the passage G, opening into conduit I, and thence to the partsto be lubricated. The slush-cup is provided with a valve, 1*, seatedtherein, its seat being perforated, as shown at Z, to admit oil fromsaid cup into its stem when the valve Z is adjusted for this purpose. Mis a stop-cock at the base of the oil-chamber.

The operation of the device will nowbe understood. When the sight-feedglass is intact, the stem of the slush-cup is lifted from its seat,permitting the oil to feed through the passage Ginto the conduit 1; butshould the sight-feed glass be broken the stem of the slush-cup isseated, the oil out off from wasting from the oil-chamber by the valveF, when, by opening the valve Z oil may be fed readily to the parts tobe lubricated, the slushcup, with its hollow stem, when seated andcommunicating with the conduit I, serving every function of a blind cup.The whole device is economical and simple. Steam enters through the pipeLand when theslush-cup isinoperative it ascends through the pipe J tothe condenser.

The plug K has, preferably, a ground-joint engagement with the shell ofthe condenser. The pipe J may first be entered in said plug, leaving thelower end then to be entered into its place in the pipe G.

Either or both of the pipes G. and I may be tapped into the shell of theoil-chamber, if preferred.

Beside the advantages already described, it will be noticed that shouldthe condensingehainber fail for any reason to supply water ofdisplacement in the oil-chamber, as by reason of the stoppage of thepassage 1) O, the stem of the slush-cup may be seated and the deviceused as a blind cup. When the stem of the slush-cup is seated, therewill be no necessity of drawing off thewater from the condensingchamberbefore feeding oil by means of said slush-cup, and the feeding beingdirect from the slush-cup into the conduit I the condensing-chamber doesnot have to be first filled with oil to near its top before the oilwillfeed to parts to be lubricated, as in devices heretofore employed ofthis class. F

WVhat I claim is- 1. The combination, with a lubricator pro- Vided withan oil-chamber, and a condensingehamber communicating therewith, ofasteam and oil conduit, a sight-feed glass communieating with theoil-chamber and with said conduit, a slush-cup constructed with a hollowstem arranged to seat in conjunction with said conduit, said stemtraversing a fixed steam-pipe, J, whereby steam is admitted to thecondensing-chamber, substantially as described.

2. The combination, with a lubrieator provided with an oil-chamber, acondensingchamber communicating therewith, and a visible-feed glass, ofa steam and oil conduit extending upward in the oil-chamber, alaterally-extended pipe communicating with the sight-feed glass and withsaid conduit, a perforated pipe, J, traversing the condensingchamber,and a slush-cup provided with a hol low stem traversing said pipe, theconstruction being such that said stem may be seated in conjunction withsaid conduit, thereby to cut off the feed from the visible-feed glassand nication is'afforded from the condensing-chain her to theoil-chamber, a valve engaged in said plug to regulate saidcommunication, and the pipes O E, substantially as described.

In testimony whereof Isign this specification in the presence of twowitnesses.

ELIJ AH MCCOY.

Witnesses:

N. S. WRIGHT, M. B. ODOGHERTY.

